Bug 2429039 (CVE-2025-68791) - CVE-2025-68791 kernel: fuse: missing copy_finish in fuse-over-io-uring argument copies
Summary: CVE-2025-68791 kernel: fuse: missing copy_finish in fuse-over-io-uring argume...
Keywords:
Status: NEW
Alias: CVE-2025-68791
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-13 16:02 UTC by OSIDB Bzimport
Modified: 2026-01-15 04:08 UTC (History)
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Description OSIDB Bzimport 2026-01-13 16:02:32 UTC 
In the Linux kernel, the following vulnerability has been resolved:

fuse: missing copy_finish in fuse-over-io-uring argument copies

Fix a possible reference count leak of payload pages during
fuse argument copies.

[Joanne: simplified error cleanup]
Comment 1 Jon Moroney 2026-01-15 04:04:36 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026011304-CVE-2025-68791-e739@gregkh/T
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